Home / 116,420.90-174,485.25-49,782.68

Finding the Fourth Proportional to 116,420.90, 174,485.25 and 49,782.68

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Solution

The fourth proportional to 116,420.90, 174,485.25 and 49,782.68 is: 74,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,420.90 : 174,485.25 = 49,782.68 : x
  2. Step 2: Convert to fraction form
    116,420.90/174,485.25 = 49,782.68/x
  3. Step 3: Cross multiply
    116,420.90x = 174,485.25 × 49,782.68
  4. Step 4: Simplify right side
    116,420.90x = 8,686,343,365.47
  5. Step 5: Solve for x
    x = 8,686,343,365.47/116,420.90
  6. Step 6: Final answer
    x = 74,611.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.